*{
    margin: 0;
    padding: 0;
}
h1{
    text-align: center;
}
.main{
    width: 100%;
    height: 600px;
    background-color: skyblue;
    display: flex;
    justify-content: center;
}
.content{
    width: 600px;
    height: 100%;
    background-color: blue;
}
.footer{
    width: 100%;
    margin-top: 10px;
}
.show{
    width: 100%;
    padding: 10px 20px;
    box-sizing: border-box;
    /* background-color: red; */
}
.remove{
    width: 100%;
    padding: 5px 20px 20px 40px;
    /* background-color: yellow; */
    box-sizing: border-box;
    display: flex;
    justify-content: center;
}
.remove_box{
    width: 700px;
    height: 100px;
    background-color: azure;
}